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If you are looking to build a high performance gaming PC, you will need to consider the power supply as one of the\n core components. You will also need to make sure that you get one which is up to the task. In this article, we\n will help guide you on what to look out for when buying a power supply for your gaming PC. We will cover both\n standards as well as proprietary models, allowing you to find the right one for your needs.

Standard Vs Proprietary

Before we dive in, let’s discuss the difference between standard and proprietary power supplies. A standard power\n supply is one which conforms to a particular specification which has been published by an authoritative body such as\n the ETSI. These power supplies are mostly found in PCs and notebooks which are being sold in smaller markets,\n providing evidence of the demand for standard power supplies.

Proprietary power supplies on the other hand, are sold under the brands of the company which produces them. The\n advantage of these supplies is that they are optimized for the hardware of the computer they are meant for. The\n disadvantage is that they can be a bit more expensive and may not be available in all markets. Nevertheless, they\n provide greater value for the money if you are building a high-end gaming machine.

Cable Length

One of the first things which you will notice about the power supply is the cable which comes with it. The length of\n the cable which comes with the power supply will determine how easily the supply can be integrated into your\n computer. A longer cable will make the connection between the power supply and the motherboard easier, preventing\n glitches and optimizing performance of your PC. Avoid getting a cable which is too long, as it will be hard to keep\n it organized and may even become a trip hazard if you have a lot of space above your computer desk.

The other end of the cable will depend on whether you are using an alternating current (AC) to direct current (DC)\n adapter. If you are using an adapter, make sure that it has high current capacity and can supply stable and\n continuous power to your system. In addition, the cable which comes with the power supply should be of good quality\n and have high shielding to prevent interference from external sources.


The next thing which you will need to pay attention to when buying a power supply is the connector which it uses.\n There are a number of different connectors which can be used to integrate the power supply into your computer,\n allowing you to expand its functionality. For example, you may need an external USB port which is not provided\n internally on your motherboard in order to utilize certain devices. This is where external connectors come in\n useful, as they allow you to connect various devices directly to your computer. For instance, you may need an\n additional PCI expansion slot in order to accept more advanced graphics cards. These are just some of the reasons\n which might require you to get an external connector for your power supply.

On the other hand, an all-in-one power supply may come with a serial port which is connected to the motherboard\n directly, allowing you to regulate the output with a software application. In addition, some all-in-one power\n supplies have a standard fan connector, allowing your fan to be replaced with an auxiliary one if necessary.


The last thing which you want to pay attention to when buying a power supply is its capacity to deliver a\n consistently high level of amperage. The higher the amperage rating, the more efficiently your computer will be\n fueled, preventing frequent shutdowns due to overheating. Always look for amperages ranging from 250 to 350 watts in\n order to ensure that your components can continue operating at their optimum levels.

As a general rule, the higher the voltage, the more powerful your computer will be. In fact, many high-end systems\n utilize high voltages (such as 500 volts) in order to ensure that they are always fueled sufficiently and do not\n overheat. On the other hand, the lower the amperage, the more expensive the power supply will be due to the fact\n that more energy is required to drive the same hardware.

Energy Density

Now that you know what to look out for when buying a power supply, let’s discuss the important aspect which makes any\n components efficient – energy density. The amount of power which can be stored in a small space is incredibly\n high, allowing for some serious energy savings if you utilize it properly. The energy density of a power supply\n will determine how much power it can handle, allowing you to scale your system’s power needs without needing\n additional energy sources. If you need a lot of power for your system, you will have to look for a high-energy\n density power supply for the best overall experience.

Output Voltage

The next thing which you will need to pay attention to when buying a power supply is its output voltage. The\n voltage which your computer runs on will determine the performance of your system in relation to its components,\n graphics card, and so on. The average household uses approximately 120 volts, but you may need a higher or lower\n voltage in order to power your specific hardware. For example, you may need a 300-volt power supply in order to\n sustain proper operation of your GeForce GTX 1080, as it requires more power than the typical 120 volts available\n in a regular home.

In general, higher voltages are great for high-end graphics cards and other components which require more power.\n On the other hand, lower voltages are ideal for older or weaker components such as hard drives and optical drives\n (which might not be able to reliably operate at the higher frequencies).


Many power supplies come with a cable which is designed to be plugged into an external socket on your motherboard.\n These are known as ‘corded’ power supplies and offer a lot of convenience if you wish to quickly integrate the\n supply into your computer. The only downside to a corded power supply is that you have to keep an additional cable\n connected to your computer at all times during operation, disrupting your workstation’s airflow if it gets in the\n way. It also occupies a considerable amount of space, taking up room which could otherwise be used for additional\n hard drives or other storage devices.


The last thing which you want to pay attention to when buying a power supply is its size. It is a common misconception\n that bigger is better, as bigger often indicates greater weight and an increased need for more space. On the\n contrary, smaller power supplies are frequently more efficient due to the fact that they require less energy to\n operate. In addition, smaller power supplies are easier to transport and have a lower chance of being damaged in\n transit.

Therefore, if you are on the lookout for a power supply which is portable and easier to move around, you should\n consider getting a smaller one.


Finally, we arrive at the most important aspect which you will need to consider when buying a power supply – the\n amperage. The higher the amperage, the more efficiently your computer will be powered, preventing frequent power\n surges and allowing for longer operation of your system. When looking for a high-performance computer, you will\n want to limit the amount of electrical current which can pass through it at any given moment in order to prevent\n overheating. By using a high-quality power supply, you can easily scale your system’s performance without risking\n damage to your hardware.